单杠向后大回环脱手原因分析

Cause Analysis of Hand Leaving in Horizontal Bar Giant Swing Backward

单杠向后大回环脱手的原因主要是倒立后摆阶段抬头、挺胸、塌腰和悬垂前摆时翻腕等技术错误，以及思想和肌肉过度紧张等。预防措施是打好技术和素质基础，加强保护与帮助。

The reasons of hand leaving in horizontal bar giant swing backward such as technical error and muscle tension etc. Were analyzed. Also some preventive treatments were provided in the paper.